30231321031312 has 160 divisors (see below), whose sum is σ = 61442883725184. Its totient is φ = 14395594752000.

The previous prime is 30231321031309. The next prime is 30231321031337. The reversal of 30231321031312 is 21313012313203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5866739328 + ... + 5866744480.

Almost surely, 2^{30231321031312} is an apocalyptic number.

It is an amenable number.

30231321031312 is an abundant number, since it is smaller than the sum of its proper divisors (31211562693872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231321031312 is a wasteful number, since it uses less digits than its factorization.

30231321031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177 (or 6171 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30231321031312 its reverse (21313012313203), we get a palindrome (51544333344515).

The spelling of 30231321031312 in words is "thirty trillion, two hundred thirty-one billion, three hundred twenty-one million, thirty-one thousand, three hundred twelve".